91140083258 has 8 divisors (see below), whose sum is σ = 156240142752. Its totient is φ = 39060035676.

The previous prime is 91140083257. The next prime is 91140083269. The reversal of 91140083258 is 85238004119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (91140083257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255002960 + ... + 3255002987.

It is an arithmetic number, because the mean of its divisors is an integer number (19530017844).

Almost surely, 2^91140083258 is an apocalyptic number.

91140083258 is a deficient number, since it is larger than the sum of its proper divisors (65100059494).

91140083258 is a wasteful number, since it uses less digits than its factorization.

91140083258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510005956.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 91140083258 in words is "ninety-one billion, one hundred forty million, eighty-three thousand, two hundred fifty-eight".